/Engine/Source/Developer/AssetTools/Public/AssetTypeActions_Base.h
Allows overriding asset activation to perform asset type specific activation for the supplied assets. This happens when the user double clicks, presses enter, or presses space. Return true if you have overridden the behavior.
virtual bool AssetsActivatedOverride ( const [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & InObjects, [EAssetTypeActivationMethod::Type](API\Developer\AssetTools\EAssetTypeActivationMethod__Type) ActivationType )